ANTIHYPERTENSIVE EFFECTS OF NIFEDIPINE ON CONSCIOUS NORMOTENSIVE AND HYPERTENSIVE RATS
スポンサーリンク
概要
- 論文の詳細を見る
Hypotensive actions of single and repeated administrations of nifedipine were evaluated in comparison with hydralazine in normotensive, spontaneously hypertensive and renal hypertensive rats. Substantial and prolonged falls in blood pressure were observed following oral dosing with 3 mg/kg of nifedipine in renal hypertensive rats, with 10 mg/kg of nifedipine in normotensive and spontaneously hypertensive rats ans with 10 mg/kg of hydralazine in all three groups of animals. The hypotensive effect of nifedipine was greater in both forms of hypertensive rats than the normotensive rats, while there was no difference in the hypotensive effect of hydralazine in normotensive and hypertensive animals. In spontaneously hypertensive rats tolerance to nifedipine and hydralazine was not observed with oral administrations for 4 weeks at a daily dose of 10 mg/kg. An increase in heart rate always accompanied the hypotension induced by both drugs, but this tachycardia was seen to a lesser extent with nifedipine than with hydralazine. The mechanism of the selective action of nifedipine in hypertensive rats in contrast to normotensive rats is discussed.
- 公益社団法人日本薬学会の論文
著者
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KUBO Takao
Department of Pharmacology, Showa College of Pharmaceutical Sciences
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Kubo Takao
Department Of Pharmacology Showa College Of Pharmaceutical Sciences
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Kubo Takao
Department Of Pharmacology Yokohama City University School Of Medicine
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MISU Yoshimi
Department of Pharmacology, Yokohama City University School of Medicine
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FUJIE KYO
Department of Pharmacology, Yokohama City University School of Medicine
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YAMASHITA MASAKO
Department of Pharmacology, Yokohama City University School of Medicine
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Fujie Kyo
Department Of Pharmacology Yokohama City University School Of Medicine
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Misu Yoshimi
Department Of Pharmacology Yokohama City University School Of Medicine
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Yamashita Masako
Department Of Pharmacology Yokohama City University School Of Medicine
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Yamashita Masako
Department Of Bioresources Chemistry Faculty Of Horticulture Chiba University
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MISU Yoshimi
Department of Pharmacologv, faculty of Pharmaceutical Scieuces, Kyoto University
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